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t06<br />
seen lb| lysinc, lir€onine, arginine,leucine, valin€. phenylalanine, slycinc, alalinc,<br />
alpallic acid and Sluiamic acid, at firsr ncp of fenrentation white an incredc was<br />
scen tor lysinc, leucirc. valino, pheaylaleine, atanire, dparlic acid and gluramic<br />
acid ul seco.d step of fement rion. tnoease in tysin€ @nlenrs was of panicular<br />
interest because higb lysine biorrms w6 inrended tor replacine fish m@tin poutlry<br />
rations. In ricc polishiDgs the tysine increded from inherenr 0.68 ro l.j8 ttre<br />
ircrease being more fts doubte the qudrity in lhe finafiy had.sled biomass.<br />
llotlever. the lysine content of fisb meat war 3.30g/l6gN b€ing 2.5 rime! mofe<br />
lhan the biomas. Arhar ?r a/. (1995) obtained 129% lysine in yeast bioous snd ir<br />
was r.oE% in finally haw.sted biomass with BrcvibKteriunl,t vrn al second slep.<br />
'llie direrence my b. audbuted ro b€ller adapbion of B/e vibdctetid lldun on<br />
b€er pulp subsrnte a! comparcd ro ricc polishings used in oursrudy. Tte 1o|atmino<br />
acid contenk as percentage oflolat prolein for biomss,A and bron6$B were 7l<br />
to 74 percenr, respectiv.ty. .mis h a gmd indication of rh€ bjomas protcjn qualiry<br />
as rhese had low NPN conrenrs.<br />
To dcremine tte qualiry of biomass prcr.m ne contenB of ils<br />
essentiat amino acids weE compa€d with lhal of Egg p.otcin and FAO Reference<br />
ProLciD. I|E chemi@t scorc wcre also calcuhted for Dromass_A and biomass-B.<br />
Esseorial anino acid indices (EMI) of bionass_A dd biomass-B we.e atso<br />
Otr rte basis of chemical scorer, ir was observed $ar melhionine wa!<br />
lhe fi.$ limiti.g mino acid bolh for biomass_A and biomass_B. fiis is one ofrhe<br />
soeral lirniador of most of rle fernenred biohass p.oreiB rhar $ey arc {teficie<br />
in sulpher cotrrdninS amino acids parriculely mcrhionirc (Ca oway amt Kudur,<br />
1969iH et.t.,197) i Sinsh., ar, l97B ad Deghir and Sell. l9S2). However<br />
Alhd dr a!. (1995) repofted tsolcucine s fte f6r tih(ng .mDo acid in bioDass<br />
prolein. The data on chemial scorc turtier show€d lsoleucine s rhe secodd
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